ChME3

The ČKD ČME3 is a six axle road-switcher diesel-electric locomotive with electric transmission built by ČKD. The class were used primarily for shunting and mainline duties. Units have been operated by Russia, Belarus, Ukraine (as class ЧМЭ3, transliteration ChME3) and other ex-Soviet bloc countries, in Czechoslovakia (as class T669.0, T669.1 and T669.5, later as ŽSR 770 and ČD 770 in Slovakia and the Czech Republic), on industrial railways in Poland (S200), in Albania (HSH T669.1), Iraq (DES 3101), Syria (LDE 1500) and in India (DEC 120).

ČME3
ЧМЭ3
and others
ЧМЭ3-912 on Dnipro railway station
Type and origin
Power typeDiesel-electric
BuilderČKD
Build date1963-1994
Total produced8200
Specifications
Gauge1,435 mm (4 ft 8 1⁄2 in) standard gauge
1,520 mm (4 ft 11 27⁄32 in) Russian gauge
1,676 mm (5 ft 6 in)
Wheel diameter1,050 mm (41.34 in)
Minimum curve80 m (262 ft)
Wheelbase8,660 mm (28 ft 5 in)
Length17,220 mm (56 ft 6 in)
Axle load21 t (21 long tons; 23 short tons)
Loco weight126 t (124 long tons; 139 short tons)
Fuel typeDiesel
Fuel consumption220 g/(kW⋅h) (2.2 oz/MJ; 5.8 oz/(hp⋅h))
Prime moverČKD K 6 S 310 DR
RPM range750
Engine typeStraight-six Diesel engine
GeneratorČKD TD 802 B
Traction motorsČKD TE 006 6x
Cylinders6
Cylinder size310 mm × 360 mm
(12.20 in × 14.17 in)
TransmissionElectric
MU workingyes
Performance figures
Maximum speed95 km/h (59 mph)
Power output1,000 kW (1,300 hp)
Tractive effort265 kN (60,000 lbf)
Max 362 kN (81,000 lbf)

The ČKD ČME3 is classified as a Co-Co or C-C diesel-electric locomotive, with all six axles powered. As such, it is particularly suited for pulling heavy, slow freight and cargo trains.

References

    Sources
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